Portrait of the Duke of Wellington is a portrait painting by the English artist Thomas Lawrence of the Anglo-Irish soldier and politician the Duke of Wellington.

It was begun in early 1815 following Wellington's success in the Peninsular War and shortly before his victory over Napoleon at the Battle of Waterloo and the subsequent allied occupation of France under Wellington's command.

[1] It is now in the collection of Apsley House, the Duke's London residence.

Lawrence, Britain's premier portrait painter of the era, depicted Wellington a number of times.

A further painting The Duke on Horseback was commissioned from Lawrence by the British Secretary of War, Lord Bathurst, featuring Wellington on his horse Copenhagen, completed in 1818.